145847232 has 168 divisors, whose sum is σ = 444581280. Its totient is φ = 45619200.

The previous prime is 145847213. The next prime is 145847263. The reversal of 145847232 is 232748541.

It is a happy number.

145847232 is a `hidden beast` number, since 1 + 4 + 584 + 72 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1337994 + ... + 1338102.

Almost surely, 2^145847232 is an apocalyptic number.

145847232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145847232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222290640).

145847232 is an abundant number, since it is smaller than the sum of its proper divisors (298734048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145847232 is a wasteful number, since it uses less digits than its factorization.

145847232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 238 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 145847232 is about 12076.7227342520. The cubic root of 145847232 is about 526.3800209833.

The spelling of 145847232 in words is "one hundred forty-five million, eight hundred forty-seven thousand, two hundred thirty-two".